<?php

/**
 * This is the model class for table "category".
 *
 * The followings are the available columns in table 'category':
 * @property integer $id
 * @property string $name
 * @property integer $parent_id
 */
class Category extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @return Category the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'category';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
		array('parent_id', 'numerical', 'integerOnly'=>true),
		array('name', 'length', 'max'=>200),
		// The following rule is used by search().
		// Please remove those attributes that should not be searched.
		array('id, name, parent_id', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'name' => 'Name',
			'parent_id' => 'Parent',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('name',$this->name,true);
		$criteria->compare('parent_id',$this->parent_id);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
	public function loadCategory($pcid = 0, $result = array(), $depth = 1, $separate='-') {
		$data = Category::model()->findAll('parent_id=:parent_id', array(':parent_id'=>$pcid));
		$space = '';

		if($depth > 1) {
			for($i=0;$i<($depth-1)*3;$i++) {
				$space .= $separate;
			}
		}

		if($data) {
			foreach($data as $k=>$c) {
				$result[$c->id] = $space . $c->name;
				$sub = $this->find('parent_id=:parent_id', array(':parent_id'=>$c->id));

				if($sub && $sub->category_id) {
					$dResults = $this->loadCategory($c->category_id, array(), $depth + 1, $separate);

					foreach($dResults as $k=>$n) {
						$result[$k] = $n;
					}
				}
			}
		}

		return $result;
	}
}